JP2003232536A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of easily carrying out maintenance, and facilitating carriage by a forklift. <P>SOLUTION: A heat exchanger 3 and a blower are provided in a casing 1, and a primary air side and a secondary air side are faced on a front surface side of the casing 1. An inner panel 7 sealing the secondary air side is provided, and opening/closing door elements 11, 13 covering a front surface area of the casing including the primary air side so as to hold the inner panel 7 is provided on a front surface of the inner panel 7. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner equipped with a heat exchanger and a blower.

[0002]

2. Description of the Related Art Generally, in an office building or the like, a space is formed under a free access floor, cold air or warm air is supplied to the space, and the cold air or warm air is supplied to the room from a floor outlet formed on the floor surface. It has been proposed that air is blown out and air is conditioned in the room (for example, JP-A-6-31).
7337 publication).

In such a floor-standing type air conditioner, generally, a heat exchanger and a blower are provided in a housing, and a primary air side and a secondary side of the heat exchanger are provided on the front side of the housing. The front panel that faces both the air side and covers the front side of the housing is fixed to the housing with a plurality of screws.

[0004]

However, in the conventional structure, since the front panel covering the front side of the housing is fixed to the housing by a plurality of screws, the inside of the housing is not fixed. When maintaining a heat exchanger or a blower, it is difficult to remove all the screws, and there is a problem that maintenance is extremely difficult. On the other hand, when the air conditioner is carried by a forklift, it is generally carried by using a pallet, but it is desired to carry the air conditioner without using the pallet. This is because collecting the pallets after the transportation becomes difficult.

Therefore, an object of the present invention is to provide an air conditioner which solves the problems of the above-mentioned conventional techniques, allows easy maintenance, and facilitates transportation by a forklift.

[0006]

In order to achieve the above object, the invention according to claim 1 is provided with a heat exchanger and a blower in a housing, and the primary air side of the heat exchanger is provided on the front side of the housing. And an secondary panel that faces the secondary air side and has an internal panel that seals the secondary panel, and the front panel of the panel can hold the internal panel and covers the front area of the housing including the primary panel that can be opened and closed. It is characterized by having a body. Claim 2
The invention described in claim 1 is characterized in that the door body is a double-door type. According to a third aspect of the present invention, in the first, second or third aspect, the upper end portion and the lower end portion of the door body are connected to a housing via a hinge, and are connected to the housing via the hinge. It is characterized in that a bending correction mechanism for the door body is provided substantially at the center in the height direction of the door body on the side. According to a fourth aspect of the present invention, a heat exchanger and a blower are provided in a housing, a groove portion for receiving a claw portion of a forklift is provided at a lower portion of the housing, and a through hole for inserting an anchor bolt is provided at a groove bottom of the groove portion. It is characterized by that. According to a fifth aspect of the invention, a heat exchanger and a blower are provided in the housing, and the primary air side and the secondary air side of the heat exchanger face the front side of the housing, and the secondary air side is sealed. An inner panel that covers the front area of the housing including the primary air side so that the inner panel can be held on the front of the inner panel, and a groove for receiving the forklift claw at the bottom of the housing. And a lid plate for closing the groove portion, and the lid plate is held on the inner surface of the door body before the housing is installed.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows an indoor unit used as a free access floor type air conditioner in an office building or the like. FIG. 2 shows a state in which the rear surface of the indoor unit and panels on both side surfaces are removed, and FIG. 3 shows a state in which the front panel of the indoor unit is further removed.

In FIG. 3, reference numeral 1 denotes a casing framed by a frame, in which an indoor heat exchanger 3 is arranged in a bracing manner in the upper stage of the casing 1, and a blower 5 is arranged in the lower stage. There is. Although not shown, the blower outlet of the blower 5 faces the opening at the bottom of the housing 1. The air sucked in through the opening 1A in the upper part of the housing 1 enters the primary air side A that spreads to the front side of the indoor heat exchanger 3 and, after heat exchange with this heat exchanger 3, the rear surface of the indoor heat exchanger 3 It enters the secondary air side B that spreads to the side, is sucked from the nozzle 5A of the blower 5 located in this space B, and is blown out to the floor below from the blowout port of the blower 5 that is directed to the opening at the bottom of the housing 1. It

In this embodiment, on the front surface 1B side of the housing 1,
The heat exchanger 3 is configured such that the primary air side A and the secondary air side B face each other.

Then, as shown in FIG. 4, the secondary air side B
An inner panel 7 that seals the inner panel 7 is provided, and the front surface of the inner panel 7 covers the entire front surface region of the housing 1 including the primary air side A so as to hold the inner panel 7, and opens and closes in a double door type. It is configured to include free door bodies 11 and 13.

As shown in FIG. 5A, a lower edge claw 7A and an upper edge claw 7B are formed on the back surface of the inner panel 7, and a heat insulating material 7C is attached to the peripheral edge portion. As shown in FIG. 5B, when the lower edge claw 7A and the upper edge claw 7B are hooked on the frame of the housing 1 and temporarily fixed, the door bodies 11 and 13 are tightened.
When pressed by 13, the heat insulating material 7C comes into contact with the frame, and the inner panel 7 is fixed to the housing 1. This internal panel 7 is
The secondary air side B can be sealed without screwing.

As shown in FIG. 6, the door bodies 11 and 13 have hinges 21 at two upper and lower positions on the suspension base side with respect to the housing 1.
The doors 11 and 13 are connected to each other by 22 and substantially in the center in the height direction.
Are connected via the bending correction mechanism 23. As shown in FIG. 7, the bending correction mechanism 23 includes an arm 23A fixed to the doors 11 and 13, a bracket 23B fixed to the housing 1 side, and a connecting rod 23C hung between the two. Is equipped with. One end of this connecting rod 23C has an arm 23A.
23F, and the other end of the connecting rod 23C is inserted into the elongated hole 23G of the bracket 23B.

FIG. 8A shows a state in which the door bodies 11 and 13 are opened. As shown in FIG. 8B, when the door bodies 11 and 13 are closed, the tip 23D of the connecting rod 23C is fixed to the bracket 23B.
8C moves in the direction of the arrow X in the elongated hole 23G, and the connecting rod 23C becomes parallel to the frame of the housing 1 at the position of FIG. 8C.
When the door bodies 11 and 13 are further closed, as shown in FIG. 8D, the base end 23E of the connecting rod 23C enters inside the line substantially parallel to the frame of the housing 1, and the door bodies 11 and 13 are substantially centered. It is pressed to the case 1 side.

The door bodies 11 and 13 are vertically long door bodies, and the center in the height direction easily bends away from the housing 1.

In this embodiment, since the bending correction mechanism 23 is provided, the bending when the door bodies 11 and 13 are closed is corrected.

Referring to FIG. 3, lower frame 1 of housing 1
The openings 0A to 10C into which the fork claws of a forklift (not shown) are inserted are formed in the hole 0 so as to avoid the blowout port of the blower 5. That is, the outlet of the blower 5 is formed between the opening 10A and the opening 10B. Opening 10
A to 10C extend in the depth direction of the housing 1, the final end thereof is not opened, and a rear panel (not shown) is arranged therein.

The distance between the fork pawls is almost fixed. When the distance is large, the fork pawls are inserted into the openings 10A and 10C, and when the distance is small, the fork pawls are inserted into the openings 10A and 10B. Openings 10A-1
A bottom plate 20 is stretched on the bottom surface of 0C, and a through hole 20A for an anchor bolt (not shown) is formed in the bottom plate 20. According to this, after carrying in with a forklift, insert an anchor bolt into this through hole 20A,
The installation work of the indoor unit can be completed simply by bolting to this.

As shown in FIG. 4, a cover panel 10D is housed on the inner surface of one door body 11, and after the installation work of the indoor unit is completed, the openings 10A to 10C open the cover panel 10D. Covered using.

Although the present invention has been described based on the embodiment, the present invention is not limited to this. In the above-described embodiment, the indoor unit of the free access floor system has been described, but the present invention is not limited to this, and can be applied to, for example, a floor-standing air conditioner.

[0021]

Since the door body only has to be opened, maintenance can be easily performed and transportation by a forklift is facilitated.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an air conditioner according to the present invention.

FIG. 2 is a perspective view showing a state in which a back surface and a side panel are removed.

FIG. 3 is a perspective view showing a state in which all panels are removed.

FIG. 4 is a perspective view showing a state in which a door body is opened.

5A is a perspective view of an internal panel, and FIG. 5B is a sectional view.

FIG. 6 is a perspective view showing a bending correction mechanism.

FIG. 7 is a perspective view showing a main part of a bending correction mechanism.

8A to 8D are diagrams showing a process in which a door body is closed.

[Explanation of symbols]

1 case 3 Indoor heat exchanger 5 blower 7 Internal panel 10A-10C opening 11,13 Door body 21,22 hinge 23 Deflection correction mechanism A primary air side B Secondary air side

Claims (5)

[Claims] 1. An internal panel comprising a heat exchanger and a blower in a housing, the primary air side and the secondary air side of the heat exchanger facing the front side of the housing and sealing the secondary air side. Equipped with
An air conditioner characterized by comprising an openable and closable door body which covers the front surface region of the housing including the primary air side so as to be able to hold the internal panel, on the front surface of the internal panel. 2. The air conditioner according to claim 1, wherein the door body is a double-door type door body. 3. An upper end portion and a lower end portion of the door body are connected to a housing through a hinge, and a door body deflection correcting mechanism is provided substantially at a center of a height direction of the door body. 1 or 2
The air conditioner described. 4. A heat exchanger and a blower are provided in a housing, a groove portion for receiving a claw portion of a forklift is provided at a lower portion of the housing, and a through hole for inserting an anchor bolt is provided at a groove bottom of the groove portion. A characteristic air conditioner. 5. An internal panel that includes a heat exchanger and a blower in a housing, and a primary air side and a secondary air side of the heat exchanger face the front side of the housing and seal the secondary air side. Equipped with
On the front surface of the internal panel is provided an openable and closable door body that covers the front surface region of the housing including the primary air side so that the internal panel can be held, and at the bottom of the housing, a groove portion for receiving the claw portion of the forklift is provided. An air conditioner comprising a cover plate to be closed, and the cover plate is held on an inner surface of a door body before the housing is installed.